/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package cn.zch.test.netty.proxy;
import io.netty.channel.*;
public class HexDumpProxyBackendHandler extends ChannelInboundHandlerAdapter {
  private final Channel inboundChannel;
  public HexDumpProxyBackendHandler(Channel inboundChannel) {
    this.inboundChannel = inboundChannel;
  }
  @Override
  public void channelActive(ChannelHandlerContext ctx) {
    ctx.read();
  }
  @Override
  public void channelRead(final ChannelHandlerContext ctx, Object msg) {
    inboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
      @Override
      public void operationComplete(ChannelFuture future) {
        if (future.isSuccess()) {
          ctx.channel().read();
        }
        else {
          future.channel().close();
        }
      }
    });
  }
  @Override
  public void channelInactive(ChannelHandlerContext ctx) {
    HexDumpProxyFrontendHandler.closeOnFlush(inboundChannel);
  }
  @Override
  public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
    cause.printStackTrace();
    HexDumpProxyFrontendHandler.closeOnFlush(ctx.channel());
  }
}
